topic Re: About - SL3S1003FUD in NFC https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064235#M7236 <HTML><HEAD></HEAD><BODY><P>你好,NXP有没有适合做你说的电路的控制芯片，能不能推荐一下，是不是使用射频开关能够实现这个功能？</P></BODY></HTML> Sun, 09 Aug 2020 00:21:54 GMT 412606060 2020-08-09T00:21:54Z About - SL3S1003FUD https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064233#M7234 <HTML><HEAD></HEAD><BODY><P>关于这个芯片-SL3S1003FUD，是否可以设计成用继电器短接或断开OUT-VDD，开启或者关闭芯片射频功能？<span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/107352iD3EA5CB03372B549/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>如果不行的话，请问有哪个型号的RFID芯片可以实现这个功能？在900M频段的。</P><P>谢谢各位。</P><P>===================================================================</P><P>Regarding this chip-SL3S1003FUD, can it be designed to short-circuit or disconnect OUT-VDD with a relay to turn on or off the chip's radio frequency function?</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/107352iD3EA5CB03372B549/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span><BR />If not, which model of RFID chip can achieve this function? In the 900M band.</P><P>Thank you all.</P></BODY></HTML> Fri, 22 May 2020 11:28:57 GMT https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064233#M7234 412606060 2020-05-22T11:28:57Z Re: About - SL3S1003FUD https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064234#M7235 <HTML><HEAD></HEAD><BODY><P>Hi 李烨，</P><P></P><P>这两个引脚不是用来<SPAN style="color: #51626f; background-color: #ffffff;">开启或者关闭芯片射频功能的，是用来实现tamper alarm功能的，具体参考下图：</SPAN></P><P><SPAN style="color: #51626f; background-color: #ffffff;"><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/106200i5AEAEA60D890ECCE/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></SPAN></P><P><SPAN style="color: #51626f; background-color: #ffffff;">其他产品好像没有能满足你这个需求的，如果你要实现<SPAN>开启或者关闭芯片射频功能，只能通过连通或断开天线和tag之间的连接来实现。</SPAN></SPAN></P><P><SPAN style="color: #51626f; background-color: #ffffff;"></SPAN></P><P>Have a great day,<BR />Kan</P><P><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P><P><SPAN style="color: #51626f; background-color: #ffffff;"></SPAN></P></BODY></HTML> Thu, 28 May 2020 03:07:21 GMT https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064234#M7235 Kan_Li 2020-05-28T03:07:21Z Re: About - SL3S1003FUD https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064235#M7236 <HTML><HEAD></HEAD><BODY><P>你好,NXP有没有适合做你说的电路的控制芯片，能不能推荐一下，是不是使用射频开关能够实现这个功能？</P></BODY></HTML> Sun, 09 Aug 2020 00:21:54 GMT https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064235#M7236 412606060 2020-08-09T00:21:54Z Re: About - SL3S1003FUD https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064236#M7237 <HTML><HEAD></HEAD><BODY><P>Hi ,</P><P></P><P>我想你可以看一下UCODE I2C这款芯片，你可以通过单片机连接I2C来控制射频端的开关。</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/109919i9535D1D21D8F6D19/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P><A class="link-titled" href="https://www.nxp.com/products/rfid-nfc/ucode-rain-rfid-uhf/ucode-ic:SL3S4011_4021" title="https://www.nxp.com/products/rfid-nfc/ucode-rain-rfid-uhf/ucode-ic:SL3S4011_4021">UCODE I2C | NXP</A>&nbsp;</P><P></P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Have a great day,<BR />Kan</P><P style="color: #51626f; background-color: #ffffff; border: 0px;"><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Mon, 10 Aug 2020 09:15:36 GMT https://community.nxp.com/t5/NFC/About-SL3S1003FUD/m-p/1064236#M7237 Kan_Li 2020-08-10T09:15:36Z